Designation window



FIG. 1 is a perspective view of a designation window showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a back elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a left elevational end view thereof;

FIG. 7 is a right elevational end view thereof; and,

FIG. 8 shows the designation window of FIGS. 1-7 in a representative environmrnt.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a designation window, as shown and described. 